PT-2023-4623 · Moxa · Moxa Tn-4900 Series+1

Published 2023-08-16 · Updated 2023-08-23 · CVE-2023-34216

Positive Technologies (AI Summary)

CVSS v2.0

8.5

High

Base vector

AV:N/AC:L/Au:S/C:N/I:C/A:C

Name of the Vulnerable Software and Affected Versions Moxa TN-4900 Series firmware versions v1.2.4 and prior Moxa TN-5900 Series firmware versions v3.3 and prior

Description The issue is related to insufficient input validation in the key-delete function, which could allow malicious users to delete arbitrary files. This vulnerability may potentially allow remote attackers to create or overwrite arbitrary files in the system.

Recommendations For Moxa TN-4900 Series firmware versions v1.2.4 and prior, consider disabling the key-delete function until a patch is available. For Moxa TN-5900 Series firmware versions v3.3 and prior, consider disabling the key-delete function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

BDU:2023-05030

CVE-2023-34216

Affected Products

Moxa Tn-4900 Series

Moxa Tn-5900 Series

References · 7

• https://bdu.fstec.ru/vul/2023-05030 · Security Note
• https://osv.dev/vulnerability/CVE-2023-34216 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-34216 · Security Note
• https://moxa.com/en/support/product-support/security-advisory/mpsa-230402-tn-5900-and-tn-4900-series-web-server-multiple-vulnerabilities · Vendor Advisory
• https://t.me/cibsecurity/68731 · Telegram Post
• https://t.me/cvenotify/56726 · Telegram Post
• https://twitter.com/cracbot/status/1692416105854476373 · Twitter Post